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    Problem on COLD RESTART in Mervis

    Mervis
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    • A
      ayone last edited by

      Hi, all .
      I made a simple sequent task in FBD just flag three bool variables b1, b2, b3 in a row.
      Duration of each task activated is 15sec.

      It worked fine except after Cold restart on mervis.
      On what happen is b2 and b3 activated on same time. It seems F_TRIG was activated even though I set each variables FALSE as initial value connected to F_TRIG. I appreciate if someone tell me why it happened and point me out the problem of my code.
      Sorry for pics, I could not figure out how to upload my project here.

      Thank you.

      ayone
      my_fbd.png
      ,main_program.png timer counts on same time.

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